diff options
Diffstat (limited to 'src/target/lakemont.c')
| -rw-r--r-- | src/target/lakemont.c | 35 |
1 files changed, 24 insertions, 11 deletions
diff --git a/src/target/lakemont.c b/src/target/lakemont.c index 055d9434..151f4abe 100644 --- a/src/target/lakemont.c +++ b/src/target/lakemont.c @@ -1,11 +1,12 @@ /* - * Copyright(c) 2013 Intel Corporation. + * Copyright(c) 2013-2016 Intel Corporation. * * Adrian Burns (adrian.burns@intel.com) * Thomas Faust (thomas.faust@intel.com) * Ivan De Cesaris (ivan.de.cesaris@intel.com) * Julien Carreno (julien.carreno@intel.com) * Jeffrey Maxwell (jeffrey.r.maxwell@intel.com) + * Jessica Gomez (jessica.gomez.hernandez@intel.com) * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -498,6 +499,12 @@ static int halt_prep(struct target *t) if (write_hw_reg(t, DSAR, PM_DSAR, 0) != ERROR_OK) return ERROR_FAIL; LOG_DEBUG("write DSAR 0x%08" PRIx32, PM_DSAR); + if (write_hw_reg(t, CSB, PM_DSB, 0) != ERROR_OK) + return ERROR_FAIL; + LOG_DEBUG("write %s 0x%08" PRIx32, regs[CSB].name, PM_DSB); + if (write_hw_reg(t, CSL, PM_DSL, 0) != ERROR_OK) + return ERROR_FAIL; + LOG_DEBUG("write %s 0x%08" PRIx32, regs[CSL].name, PM_DSL); if (write_hw_reg(t, DR7, PM_DR7, 0) != ERROR_OK) return ERROR_FAIL; LOG_DEBUG("write DR7 0x%08" PRIx32, PM_DR7); @@ -511,8 +518,7 @@ static int halt_prep(struct target *t) LOG_DEBUG("EFLAGS = 0x%08" PRIx32 ", VM86 = %d, IF = %d", eflags, eflags & EFLAGS_VM86 ? 1 : 0, eflags & EFLAGS_IF ? 1 : 0); - if (eflags & EFLAGS_VM86 - || eflags & EFLAGS_IF) { + if ((eflags & EFLAGS_VM86) || (eflags & EFLAGS_IF)) { x86_32->pm_regs[I(EFLAGS)] = eflags & ~(EFLAGS_VM86 | EFLAGS_IF); if (write_hw_reg(t, EFLAGS, x86_32->pm_regs[I(EFLAGS)], 0) != ERROR_OK) return ERROR_FAIL; @@ -530,14 +536,14 @@ static int halt_prep(struct target *t) LOG_DEBUG("write CSAR_CPL to 0 0x%08" PRIx32, x86_32->pm_regs[I(CSAR)]); } if (ssar & SSAR_DPL) { - x86_32->pm_regs[I(SSAR)] = ssar & ~CSAR_DPL; + x86_32->pm_regs[I(SSAR)] = ssar & ~SSAR_DPL; if (write_hw_reg(t, SSAR, x86_32->pm_regs[I(SSAR)], 0) != ERROR_OK) return ERROR_FAIL; LOG_DEBUG("write SSAR_CPL to 0 0x%08" PRIx32, x86_32->pm_regs[I(SSAR)]); } - /* if cache's are enabled, disable and flush */ - if (!(cr0 & CR0_CD)) { + /* if cache's are enabled, disable and flush, depending on the core version */ + if (!(x86_32->core_type == LMT3_5) && !(cr0 & CR0_CD)) { LOG_DEBUG("caching enabled CR0 = 0x%08" PRIx32, cr0); if (cr0 & CR0_PG) { x86_32->pm_regs[I(CR0)] = cr0 & ~CR0_PG; @@ -563,6 +569,13 @@ static int do_halt(struct target *t) t->state = TARGET_DEBUG_RUNNING; if (enter_probemode(t) != ERROR_OK) return ERROR_FAIL; + + return lakemont_update_after_probemode_entry(t); +} + +/* we need to expose the update to be able to complete the reset at SoC level */ +int lakemont_update_after_probemode_entry(struct target *t) +{ if (save_context(t) != ERROR_OK) return ERROR_FAIL; if (halt_prep(t) != ERROR_OK) @@ -677,16 +690,16 @@ static int write_hw_reg(struct target *t, int reg, uint32_t regval, uint8_t cach arch_info->op, regval); - scan.out[0] = RDWRPDR; x86_32->flush = 0; /* dont flush scans till we have a batch */ - if (irscan(t, scan.out, NULL, LMT_IRLEN) != ERROR_OK) - return ERROR_FAIL; - if (drscan(t, reg_buf, scan.out, PDR_SIZE) != ERROR_OK) - return ERROR_FAIL; if (submit_reg_pir(t, reg) != ERROR_OK) return ERROR_FAIL; if (submit_instruction_pir(t, SRAMACCESS) != ERROR_OK) return ERROR_FAIL; + scan.out[0] = RDWRPDR; + if (irscan(t, scan.out, NULL, LMT_IRLEN) != ERROR_OK) + return ERROR_FAIL; + if (drscan(t, reg_buf, scan.out, PDR_SIZE) != ERROR_OK) + return ERROR_FAIL; x86_32->flush = 1; if (submit_instruction_pir(t, PDR2SRAM) != ERROR_OK) return ERROR_FAIL; |